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Showing 9985 to 9996 of 51652 entries
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Transcutaneous Drug Delivery Systems Based on Collagen/Polyurethane Composites Reinforced with Cellulose.

Polymers

Anghel N, Dinu VM, Verestiuc L, Spiridon IA.
PMID: 34199447
Polymers (Basel). 2021 Jun 02;13(11). doi: 10.3390/polym13111845.

Designing composites based on natural polymers has attracted attention for more than a decade due to the possibility to manufacture medical devices which are biocompatible with the human body. Herein, we present some biomaterials made up of collagen, polyurethane,...

Imaging flow cytometry reveals a dual role for exopolysaccharides in biofilms: To promote self-adhesion while repelling non-self-community members.

Computational and structural biotechnology journal

Maan H, Povolotsky TL, Porat Z, Itkin M, Malitsky S, Kolodkin-Gal I.
PMID: 34976308
Comput Struct Biotechnol J. 2021 Dec 04;20:15-25. doi: 10.1016/j.csbj.2021.11.043. eCollection 2022.

In nature, bacteria frequently reside in differentiated communities or biofilms. These multicellular communities are held together by self-produced polymers that allow the community members to adhere to the surface as well as to neighbor bacteria. Here, we report that...

A micromechanical model to predict the flow of soft particle glasses.

Nature materials

Seth JR, Mohan L, Locatelli-Champagne C, Cloitre M, Bonnecaze RT.
PMID: 21946611
Nat Mater. 2011 Sep 25;10(11):838-43. doi: 10.1038/nmat3119.

Soft particle glasses form a broad family of materials made of deformable particles, as diverse as microgels, emulsion droplets, star polymers, block copolymer micelles and proteins, which are jammed at volume fractions where they are in contact and interact...

Physical mechanisms of ESCRT-III-driven cell division.

Proceedings of the National Academy of Sciences of the United States of America

Harker-Kirschneck L, Hafner AE, Yao T, Vanhille-Campos C, Jiang X, Pulschen A, Hurtig F, Hryniuk D, Culley S, Henriques R, Baum B, Šarić A.
PMID: 34983838
Proc Natl Acad Sci U S A. 2022 Jan 04;119(1). doi: 10.1073/pnas.2107763119.

Living systems propagate by undergoing rounds of cell growth and division. Cell division is at heart a physical process that requires mechanical forces, usually exerted by assemblies of cytoskeletal polymers. Here we developed a physical model for the ESCRT-III-mediated...

Constrain Effect of Charge Traps in Organic Field-Effect Transistors with Ferroelectric Polymer as a Dielectric Interfacial Layer.

ACS applied materials & interfaces

Wu Y, Wang Z, Yang L, Qiao Y, Chang D, Yan Y, Wu Z, Hu Z, Zhang J, Lu X, Zhao Y, Liu Y.
PMID: 34984906
ACS Appl Mater Interfaces. 2022 Jan 05; doi: 10.1021/acsami.1c20672. Epub 2022 Jan 05.

Traps play crucial roles in the charge transport of disordered organic semiconductors and can significantly influence the electrical performance of organic functional devices. The constrain effect of charge traps in organic field-effect transistors with a ferroelectric polymer as a...

Harnessing in situ glutathione for effective ROS generation and tumor suppression via nanohybrid-mediated catabolism dynamic therapy.

Biomaterials

Peng SY, Liu XH, Chen QW, Yu YJ, Liu MD, Zhang XZ.
PMID: 34979416
Biomaterials. 2021 Dec 30;281:121358. doi: 10.1016/j.biomaterials.2021.121358. Epub 2021 Dec 30.

The overexpression of glutathione (GSH) in cancer cells has long been regarded as the primary obstacle for reactive oxygen species (ROS)-involved anti-tumor therapies. To solve this issue, a ferric ion and selenite-codoped calcium phosphate (Fe/Se-CaP) nanohybrid here is fabricated...

Ultrasensitive electrochemical sensor for mercury ion detection based on molybdenum selenide and Au nanoparticles .

Analytical methods : advancing methods and applications

Zhou T, Li M, Li N, Dong Y, Liu D, Hu X, Xie Z, Qu D, Li X, Zhang C.
PMID: 34985058
Anal Methods. 2022 Jan 05; doi: 10.1039/d1ay01750k. Epub 2022 Jan 05.

An ultrasensitive and specific-selection electrochemical sensor was constructed for Hg

Regiochemistry-Driven Organic Electrochemical Transistor Performance Enhancement in Ethylene Glycol-Functionalized Polythiophenes.

Journal of the American Chemical Society

Hallani RK, Paulsen BD, Petty AJ, Sheelamanthula R, Moser M, Thorley KJ, Sohn W, Rashid RB, Savva A, Moro S, Parker JP, Drury O, Alsufyani M, Neophytou M, Kosco J, Inal S, Costantini G, Rivnay J, McCulloch I.
PMID: 34192463
J Am Chem Soc. 2021 Jul 28;143(29):11007-11018. doi: 10.1021/jacs.1c03516. Epub 2021 Jun 30.

Novel p-type semiconducting polymers that can facilitate ion penetration, and operate in accumulation mode are much desired in bioelectronics. Glycol side chains have proven to be an efficient method to increase bulk electrochemical doping and optimize aqueous swelling. One...

Effect of additive manufacturing method and build angle on surface characteristics and Candida albicans adhesion to 3D printed denture base polymers.

Journal of dentistry

Li P, Fernandez PK, Spintzyk S, Schmidt F, Beuer F, Unkovskiy A.
PMID: 34800586
J Dent. 2021 Nov 17;103889. doi: 10.1016/j.jdent.2021.103889. Epub 2021 Nov 17.

OBJECTIVES: To investigate the influence of additive manufacturing method and build angle on surface characteristics and Candida albicans (C. albicans) adhesion to 3D printed denture base polymers.METHODS: Specimens of 3D printing denture base polymers were prepared by two printers,...

Effect of static external electric field on bulk and interfaces in organic solar cell systems: A density-functional-theory-based study.

Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy

Rana D, Materny A.
PMID: 33631630
Spectrochim Acta A Mol Biomol Spectrosc. 2021 May 15;253:119565. doi: 10.1016/j.saa.2021.119565. Epub 2021 Feb 07.

In this work, a detailed comparison of optical and electronic properties in bulk and interfaces of well-known organic semiconductor systems in presence of an external electric field is reported. We have used density functional theory (DFT) to model organic...

Smart Cargo Delivery System based on Mesoporous Nanoparticles for Bone Disease Diagnosis and Treatment.

Advanced science (Weinheim, Baden-Wurttemberg, Germany)

Pan P, Yue Q, Li J, Gao M, Yang X, Ren Y, Cheng X, Cui P, Deng Y.
PMID: 34165902
Adv Sci (Weinh). 2021 Jun;8(12):e2004586. doi: 10.1002/advs.202004586. Epub 2021 Mar 16.

Bone diseases constitute a major issue for modern societies as a consequence of progressive aging. Advantages such as open mesoporous channel, high specific surface area, ease of surface modification, and multifunctional integration are the driving forces for the application...

Polymer ultrastructure governs AA9 lytic polysaccharide monooxygenases functionalization and deconstruction efficacy on cellulose nano-crystals.

Bioresource technology

Magri S, Nazerian G, Segato T, Vieira Monclaro A, Zarattini M, Segato F, Polikarpov I, Cannella D.
PMID: 34801726
Bioresour Technol. 2021 Nov 18;126375. doi: 10.1016/j.biortech.2021.126375. Epub 2021 Nov 18.

Lytic Polysaccharide MonoOxygenases display great variability towards cellulose ultrastructure while performing oxidative functionalization of the polymers. Aiming at employing AA9-LPMOs for isolation of cellulose nano-crystals (CNCs), the ratio between functionalization/crystalline degradation became a crucial parameter. Here are reported the...

Showing 9985 to 9996 of 51652 entries